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Technical Data Sheet
PartsTable / COMPONENT / HN5P53-1-1
HN5P53-1-1 ✓ Verified by PartsTable
— · BOLT SCREW
WHAT YOU NEED TO KNOW
Grade/class stamped on head determines strength Metric and imperial threads look similar — measure pitch
Verify thread pitch — metric != imperial
PRODUCT OVERVIEW

The STUD,TURNLOCK FASTENER is a the manufacturer industrial component. Key specifications include diameter: 0.630 INCHES NOMINAL IN, material: PLASTIC POLYAMIDE NYLON OVERALL, grip_length: 0.509 INCHES NOMINAL IN, special_features: COLOR BLACK, stud_head_height: 0.380 INCHES NOMINAL IN, securing_device_type: GROMMET. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5325-00-974-0541, indicating validated use in U.S.

government and defense logistics supply chains. Available through authorized enterprise resellers and TPM (Third Party Maintenance) channels. Verify compatibility with your specific system configuration before ordering.

WHERE IT FITS
HN5P53-1-1
NSN: 5325-00-974-0541
FSC: 5325
CAGE: 83014 — HARTWELL CORPORATION (USA)
SPECIFICATIONS
diameter0.630 INCHES NOMINAL IN
materialPLASTIC POLYAMIDE NYLON OVERALL
grip_length0.509 INCHES NOMINAL IN
special_featuresCOLOR BLACK
stud_head_height0.380 INCHES NOMINAL IN
securing_device_typeGROMMET
turnlock_stud_head_styleSTUD HEAD
stud_shank_major_diameter0.312 INCHES NOMINAL IN
turnlock_stud_shank_styleSTUD SHANK
material_accommodated_thickness0.118 INCHES MINIMUM AND 0.207 INCHES MAXIMUM IN
NSN5325-00-974-0541
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: HN5P53-1-1 · OEM ⚠ VERIFY BEFORE ORDERING Verify thread pitch before ordering — metric (M8×1.25) ≠ imperial (5/16-18). Wrong thread = wrong part. Grade/class stamped on bolt head determines tensile strength ✓ BROKER TIP Grade/class stamped on head determines tensile strength. Grade 8 > Grade 5 > Grade 2. Always confirm head marking matches specification requirement PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
•
SECURING DEVICE TYPE: GROMMET
•
TURNLOCK STUD HEAD STYLE: STUD HEAD
•
MATERIAL: PLASTIC POLYAMIDE NYLON OVERALL
•
GRIP LENGTH: 0.509 INCHES NOMINAL IN
•
STUD HEAD HEIGHT: 0.380 INCHES NOMINAL IN
•
DIAMETER: 0.630 INCHES NOMINAL IN
•
STUD SHANK MAJOR DIAMETER: 0.312 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
SPECIAL FEATURESCOLOR BLACK
SECURING DEVICE TYPEGROMMET
TURNLOCK STUD HEAD STYLESTUD HEAD
MATERIALPLASTIC POLYAMIDE NYLON OVERALL
GRIP LENGTH0.509 INCHES NOMINAL IN
STUD HEAD HEIGHT0.380 INCHES NOMINAL IN
DIAMETER0.630 INCHES NOMINAL IN
STUD SHANK MAJOR DIAMETER0.312 INCHES NOMINAL IN
TURNLOCK STUD SHANK STYLESTUD SHANK
MATERIAL ACCOMMODATED THICKNESS0.118 INCHES MINIMUM AND 0.207 INCHES MAXIMUM IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 12
21462Interchangeable
interchangeable cross-reference
interchangeable
A21462Interchangeable
interchangeable cross-reference
interchangeable
PT102Interchangeable
interchangeable cross-reference
interchangeable
5495493Interchangeable
interchangeable cross-reference
interchangeable
21462-1Interchangeable
interchangeable cross-reference
interchangeable
2027263Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is HN5P53-1-1?
HN5P53-1-1 is a STUD,TURNLOCK FASTENER.
What parts can replace HN5P53-1-1?
There are 12 known substitutes for HN5P53-1-1: 21462, A21462, PT102 and 9 more. Substitute compatibility should be verified for your specific system.
Is HN5P53-1-1 still available?
HN5P53-1-1 is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026